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Scott Sumner Blog
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04/14/2010
Scaling 3G & LTE: SOAM IssuesFollowing is a short dialog between Craig Easley, president of the Carrier Ethernet Academy, and Patrick Ostiguy, president & CEO of Accedian Networks, which provides service assurance equipment to leading backhaul deployments to both mobile operators and wholesale backhaul providers. |
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03/17/2010
Go Clean Up Your Cell SiteI wince every time I hear the term “convergence.” Convergence has always been a marketing word for “mess,” wherein multiple technologies coexist and intermingle in ways that increase Tylenol consumption and slow down true telecom innovation.Today’s wireless networks, including the current 3G deployments, still rely on this dirty word with “converged” cell ... |
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03/03/2010
You’re Invited – Carrier Ethernet Training at CTIAMy recent blog posts have discussed challenges encountered when deploying Y.1731 Ethernet OAM in mobile backhaul networks, and service providers continue to echo this is a key sticking point for scaling out national 3G & LTE networks.xchange blog readers are invited to a special training session for service providers at CTIA, Las Vegas, March 22-26, conducted by the Carrier Ethernet Academy. |
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02/17/2010
LTE & 3G False AlarmsCapacity and next-generation mobile services (3G and 4G/LTE) seem to be constantly under scrutiny. Ever since the iPhone came on the scene and sucked the lifeblood out of AT&T’s backhaul network, we constantly hear about the impending doom, the bandwidth desert we’re all facing ahead. This has been labeled “The Capacity Crisis” – here’s an example of one of ... |
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02/03/2010
Wireless Financing MSO WirelessCable multiple system operators (MSOs) are in prime position in the bid to bring bandwidth to cell towers. With fiber passing through the most densely populated areas, building laterals to cell sites serving these regions is within “easy” reach, at least as far as deploying fiber goes. With efficient Ethernet backhaul increasingly cited as a key pinch point and business case driver ... |
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01/20/2010
10G to the Desktop?There’s nothing like talking directly to service providers to learn how fast technology is advancing. Take the topic of 10gbps Ethernet (10GE) connectivity for enterprises, for example. With analysts reporting majority adoption of either Virtual Private LAN Services or IP VPNs some point this year, it’s easy to see that we’ve passed into mass adoption of packet-based WANs.Many ... |
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01/06/2010
Ethernet: Return of the Incumbents2009 was a year many were happy to forget, but in the world of enterprise Ethernet services, providers would be reckless to ignore the changing landscape last year ushered in. With the rapid rise in demand for Virtual Private LAN Services (VPLS) fueled by price-conscious, recession-battered IT departments, incumbents finally turned the corner and took on Ethernet in a big way. No longer able to ... |
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12/09/2009
The OSS Value ChainWhat have your performance monitoring (PM), business and operational support systems (B/OSS) done for you lately? Probably they’re gluing everything together, the lifeblood of your business ... but would you call them your best ally? Many operators struggle with disconnected element management systems (EMS), B/OSS systems that wish they knew what the PM tools did, and worn-out floors in the ... |
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12/03/2009
Active, Invisible Ethernet TestingEnterprises and mobile operators are gaining Ethernet experience quickly as they speed deployment of the latest generation of business services and wireless backhaul networks with the latest technology. Nothing like jumping right in to learn the oddities and pain points of technology hitting prime time. We’ve seen operators shift their focus from the nuts and bolts to concern for QoS ... |
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11/18/2009
The Death of DPIAs providers struggle to maintain the competing demands of customer QoS and efficient networks, many have waded in (at least to their ankles) to Deep Packet Inspection (DPI) technology. Using DPI to examine the content of traffic one packet at a time, the theory goes that they can throttle bandwidth-hogging, undesirable flows, keeping peer-to-peer downloads and remote backups from sucking the ... |
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